vi UK Focus - Air Monitoring
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Reader Reply Card no 233
FTIR Provides Monitoring Flexibility for Catalyst Environmental
Environmental instrumentation specialists Quantitech (UK), recently supplied emissions monitoring company Catalyst Environmental, with a range of instruments that has enabled the company to provide a market-leading range of services across a particularly broad spectrum of applications.
In the case study described below, the advantages of multiparameter gas analysers from Quantitech are exemplified as a result of the variability in materials being incinerated at some of the UK’s main Waste to Energy Plants and the need to measure extremely low concentrations in the resulting off-gases.
Waste materials are combusted at very high tempera- tures. A range of abatement equipment then removes contamination from the resulting exhaust gases and a continuous emissions monitoring system (CEMS) provides regulatory evidence that pollutant concentrations do not exceed prescribed limits, as per the plant’s Permit.
Catalyst Environmental was recently contracted to undertake compliance monitoring on an incinerator stack for a broad range of parameters and, at the same time, to conduct a QAL 2 calibration of the CEMS, following the requirements of BS EN 14181.
A Breakthrough for Ambient Open Path Doas Data
A new ‘auto zero system’ which will revolutionise the way in which ambient data from OPSIS open path DOAS systems is calibrated has been launched by air quality monitoring specialist, Enviro Technology (UK). The new auto zero system will make calibration of all OPSIS open path ambient systems infinitely more precise and will lead the way for acceptance of ambient open path data into the UK National AQ Data Archive.
Over the coming months Enviro Technology’s service engineers will be carrying the new auto zero hardware on regular service visits to ensure that current customer’s data is as accurate as possible. Enviro Technology will also be offering customers the opportunity to purchase the hardware for permanent installation.
Enviro Technology’s customer support team leader Paul Norman said: “For years those responsible for ambient air quality monitoring have struggled to adequately zero calibrate open path systems.
“Due to this new piece of hardware, ambient open path measurement data will stand up to greater scrutiny and customers can have more confidence in the data being presented due to the levels of accuracy that will be offered.”
The City & Council of Swansea has been the first UK local authority to trial the new auto zero system. Data from its ambient DOAS systems is now being fed into the Welsh National AQ Archive.
Reader Reply Card no 232
BOC First UK Gases Company to be Accredited to ISO Guide 34
BOC are the first commercial gases company in the UK to be accredited by the United Kingdom Accreditation Service (UKAS) to ISO Guide 34: 2000 ‘General requirements for the competence of reference material producers’ as a Reference Material Producer.
BOC have been accredited to ISO 17025 ‘General requirements for the competence of testing and calibration laboratories’ as a Calibration Laboratory (previously M10) since 1991 and has latterly provided an extensive range of accredited gas calibration mixtures to facilitate environmental measurements, analysis of natural gas and petrochemicals, evidential breath-analyser calibrations and exhaust emissions measurements.
Accreditation as both a Reference Material Producer for gases and as a Calibration Laboratory ensures that a consistent and technically robust approach is taken to the production and certification of gas calibration mixtures including the comparability of measurements and certification data. All aspects of the process from contract review through preparation, analysis and certification are covered – this allows us to continue to provide our customers with a quality product meeting current and future needs!
Reader Reply Card no 231
James Harmer, Catalyst’s Technical Manager, explained the monitoring process: “Over a period of four days we collected data using a Gasmet DX-4000 analyser to enable us to perform the calibration of the onsite CEMS as well as taking further samples for the routine compliance testing, which included Dioxins & Furans, PCBs, PAHs and Heavy Metals.”
"We operate two different multiparameter gas analysers from Quantitech; the Horiba PG-250 and the Gasmet DX-4000, both of which are fully portable and MCERTS certified. The decision as to which analyser to employ depends on the range of parameters to be measured and the required resolution. In this instance, we chose the DX-4000 because it is able to measure a much broader range of parameters and because it meets the resolution requirements for this site's Permit."
The PG-250 is a portable stack gas analyser that can simultaneously measure up to five separate gas components using the same standard reference measurement methods employed in permanently installed CEMS. These include NDIR for CO, SO2 CO2
, and , Chemiluminescence for NOx, and a Zirconium Oxide Cell for O2 measurements.
The Gasmet DX-4000 is also a portable MCERTS certified multiparameter gas analyser. However, employing advanced FTIR technology, it is able to measure up to 300 parameters and other gases can be added for future applications at little or no extra cost. This means that monitoring performed with the DX-4000 is 'future-proof' because historical monitoring data can be analysed at any stage to measure new parameters.
Commenting on the value of the FTIR analyser, James Harmer said, “The Gasmet DX-4000 has been a great addition to our range of stack emissions monitoring equipment. It is portable, easy to use for suitably qualified personnel and ideal for this type of application. Quantitech have also provided us with excellent technical back-up and support since purchasing the instrument.”
Catalyst Environmental is a relatively new business, but Managing Director, Alastair Wolff, says, "We are the fastest growing company in our sector, and one of the few to offer a truly nationwide service from a number of UK locations. We employ some of the best MCERTS certified Team Leaders in our industry, and have in place one of the most experienced management teams in our industry. We have a clear focus on customer service, a competitive pricing policy, and a genuine commitment to quality and technical excellence."
Operating across the UK, Ireland, and overseas, Catalyst Environmental prides itself on the flexible, friendly approach of its staff, and boasts one of the most extensive UKAS MCERTS accreditation schedules, including FTIR.
Summarising, the advantages of the FTIR system employed by Catalyst Environmental, Quantitech's Dominic Duggan says, "Historically, it would have been very expensive to have purchased analysers for all of the main measurands and almost impossible to have monitored all of the parameters continuously. However, as an MCERTS certified portable FTIR analyser, the DX-4000 provides Catalyst with the ability to monitor almost anything in almost any situation."
Reader Reply Card no 229 Accredited Analytical Services
Scientific Analysis Laboratories Limited is an independent company specialising in the provision of accredited analytical services to the environmental, safety, chemical, petrochemical, food and agricultural sectors of industry throughout Europe.
Established in 1990, SAL has some of the most up to date and strategically located laboratory facilities in Europe and has developed considerable experience and built an extensive scope of UKAS accreditation for the analysis of air samples collected from incineration and combustion processes and ambient air.
Encompassed within this are samples from Stacks and Vents, Fugitive dusts, odour samples, traffic pollution, background emissions and workplace environments.
Reader Reply Card no 230
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Annual Buyers Guide 2009
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